Chapter 3 :
Organic chemistry
1.Which of coming up next is the overall equation for alkanes?
a) CnH2n+2
b) CnH2n
c) CnH2n-2
d) CnHn
Ans: a) CnH2n+2
2.What is the utilitarian gathering present in alcohols?
-a) - COOH
b) - CHO
c) - Gracious
d) - NH2
Ans: c) - OH
3.Which of coming up next is an isomer of butane (C4H10)?
a) Propane
b) Ethane
c) 2-Methylpropane
d) Methane
Ans: c) 2-Methylpropane
4.Which hydrocarbon is known as the easiest alkene?
a) Ethylene (Ethene)
b) Methane
c) Propane
d) Ethane
Ans: a) Ethylene (Ethene)
5.The interaction of changing a fluid liquor over completely to a vaporous alkene by warming with concentrated sulfuric corrosive is called?
a) Hydrogenation
b) Parchedness
c) Hydration
d) Halogenation
Ans: b) Dehydration
6.What is the IUPAC name of the compound CH3-CH2-CH2-CH3?
a) Butane
b) Propane
c) Methane
d) Ethane
Ans: a) Butane
7. Which of coming up next is a property of alkanes?
a) Profoundly receptive
b) Dissolvable in water
c) Soaked hydrocarbons
d) Contains a twofold bond
Ans: c) Soaked hydrocarbons
8.What is the item framed when ethene responds with hydrogen within the sight of a catalyst?
a) Ethanol
b) Ethane
c) Ethyne
d) Methane
Ans: b) Ethane
9.Which of the accompanying mixtures contains a triple bond?
a) Ethane
b) Ethene
c) Ethyne
d) Propane
Ans: c) Ethyne
10.The sub-atomic equation of benzene is?
a) C6H6
b) C6H12
c) C6H10
d) C6H8
Ans: a) C6H6
11.What is the name of the compound with the equation CH3-CHO?
a) Ethanol
b) Acetaldehyde
c) Acidic corrosive
d) Methanol
Ans: b) Acetaldehyde
12. Which of coming up next is the right IUPAC name for CH3-CH2-COOH?
a) Ethanoic corrosive
b) Propanoic corrosive
c) Butanoic corrosive
d) Methanoic corrosive
Ans: b) Propanoic acid
13.The normal name for ethanoic corrosive is?
a) Formic corrosive
b) Acidic corrosive
c) Propionic corrosive
d) Butyric corrosive
Ans: b) Acidic acid
14.Which of coming up next is an illustration of a homologous series?
a) CH4, C2H6, C3H8
b) CH3OH, CH3COOH, CH3CH2OH
c) H2O, H2O2, HO2
d) C2H4, C3H4, C4H4
Ans: a) CH4, C2H6, C3H8
15.Which of the accompanying responses addresses the burning of methane?
a) CH4 + 2O2 → CO2 + 2H2O
b) CH4 + Cl2 → CH3Cl + HCl
c) CH4 + H2 → CH3 + H2O
d) CH4 → C + 2H2
Ans: a) CH4 + 2O2 → CO2 + 2H2O
16.What is the fundamental item when ethene responds with water within the sight of a corrosive catalyst?
a) Ethanol
b) Ethane
c) Ethyne
d) Ethanoic corrosive
Ans: a) Ethanol
17.Which of the accompanying mixtures is a soaked hydrocarbon?
a) Ethene
b) Ethane
c) Ethyne
d) Benzene
Ans: b) Ethane
18.What is the practical gathering in carboxylic acids?
a) - Gracious
b) - COOH
c) - CHO
d) - NH2
Ans: b) - COOH
19.Which of coming up next isn't a property of alkenes?
a) Contains no less than one twofold bond
b) Unsaturated hydrocarbons
c) More receptive than alkanes
d) Soaked hydrocarbons
Ans: d) Soaked hydrocarbons
20.What is the name of the most straightforward alkyne?
a) Ethane
b) Ethane
c) Propane
d) Butane
Ana: a) Ethane
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